$(document).ready(function () {
    $('#navigation ul:first').superfish({ speed: 'fast', autoArrows: true });

    //add space at the bottom of the sub lists
    $('#navigation ul li ul').each(function (i) {
        var $lis = $(this).children('li');
        //if there is only one element add less padding
        if ($lis.size() > 1) {
            $(this).children('li:last').children('a').css({ 'padding-top': '4px', 'padding-bottom': '7px' });
        }
        else {
            $(this).children('li:last').children('a').css({ 'padding-top': '7px', 'padding-bottom': '9px' });
        }
    });
});